Jin, Di, Zhijing Jin, Joey Tianyi Zhou, and Peter Szolovits. 2020. “Is BERT Really Robust? A Strong Baseline for Natural Language Attack on Text Classification and Entailment”. Proceedings of the AAAI Conference on Artificial Intelligence 34 (05):8018-25. https://doi.org/10.1609/aaai.v34i05.6311.